Title: PHP Warnings and Errors Last modified: September 30, 2021 --- # PHP Warnings and Errors * Resolved [Malae](https://wordpress.org/support/users/malae/) * (@malae) * [4 years, 8 months ago](https://wordpress.org/support/topic/php-warnings-and-errors-2/) * Hi Cory, * After finally getting an update for the PHP Compatibility Checker, which still only checks up to PHP 7.3, I ran it on one of my sites running PHP 7.4 and was surprised to get many warnings and errors. Can you please take a look at the results: * ``` File: /wp-content/plugins/duplicator/classes/class.db.php ------------------------------------------------------------------------------------------------------------------- FOUND 1 ERROR AFFECTING 1 LINE ------------------------------------------------------------------------------------------------------------------- 251 | ERROR | Extension 'mysql_' is deprecated since PHP 5.5 and removed since PHP 7.0; Use mysqli instead ------------------------------------------------------------------------------------------------------------------- File: /wp-content/plugins/duplicator/classes/class.logging.php ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- FOUND 1 WARNING AFFECTING 1 LINE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- 266 | WARNING | Since PHP 7.0, functions inspecting arguments, like debug_backtrace(), no longer report the original value as passed to a parameter, but will instead provide the current value. The parameter "$msg" was used, and possibly changed (by reference), on line 265. ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- File: /wp-content/plugins/duplicator/classes/utilities/class.u.php -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- FOUND 1 ERROR AFFECTING 1 LINE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- 152 | ERROR | Since PHP 7.0, functions inspecting arguments, like func_get_args(), no longer report the original value as passed to a parameter, but will instead provide the current value. The parameter "$key" was changed on line 136. -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- File: /wp-content/plugins/duplicator/installer/dup-installer/classes/Crypt/Random.php ------------------------------------------------------------------------------------------------------------------------------------------------------- FOUND 5 ERRORS AFFECTING 2 LINES ------------------------------------------------------------------------------------------------------------------------------------------------------- 77 | ERROR | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead 77 | ERROR | Function mcrypt_create_iv() is deprecated since PHP 7.1 and removed since PHP 7.2; Use random_bytes() or OpenSSL instead 116 | ERROR | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead 116 | ERROR | Function mcrypt_create_iv() is deprecated since PHP 7.1 and removed since PHP 7.2; Use random_bytes() or OpenSSL instead 116 | ERROR | The constant "MCRYPT_DEV_URANDOM" is deprecated since PHP 7.1 and removed since PHP 7.2 ------------------------------------------------------------------------------------------------------------------------------------------------------- File: /wp-content/plugins/duplicator/installer/dup-installer/classes/Crypt/Base.php ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- FOUND 44 ERRORS AND 2 WARNINGS AFFECTING 26 LINES ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- 651 | WARNING | Since PHP 7.0, functions inspecting arguments, like func_get_args(), no longer report the original value as passed to a parameter, but will instead provide the current value. The parameter "$method" was used, and possibly changed (by reference), on line 649. 829 | ERROR | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead 829 | ERROR | Function mcrypt_generic_init() is deprecated since PHP 7.1 and removed since PHP 7.2; Use OpenSSL instead 862 | ERROR | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead 862 | ERROR | Function mcrypt_generic_init() is deprecated since PHP 7.1 and removed since PHP 7.2; Use OpenSSL instead 865 | ERROR | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead 865 | ERROR | Function mcrypt_generic() is deprecated since PHP 7.1 and removed since PHP 7.2; Use OpenSSL instead 870 | ERROR | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead 870 | ERROR | Function mcrypt_generic() is deprecated since PHP 7.1 and removed since PHP 7.2; Use OpenSSL instead 879 | ERROR | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead 879 | ERROR | Function mcrypt_generic() is deprecated since PHP 7.1 and removed since PHP 7.2; Use OpenSSL instead 889 | ERROR | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead 889 | ERROR | Function mcrypt_generic() is deprecated since PHP 7.1 and removed since PHP 7.2; Use OpenSSL instead 892 | ERROR | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead 892 | ERROR | Function mcrypt_generic_init() is deprecated since PHP 7.1 and removed since PHP 7.2; Use OpenSSL instead 1141 | ERROR | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead 1141 | ERROR | Function mcrypt_generic_init() is deprecated since PHP 7.1 and removed since PHP 7.2; Use OpenSSL instead 1169 | ERROR | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead 1169 | ERROR | Function mcrypt_generic() is deprecated since PHP 7.1 and removed since PHP 7.2; Use OpenSSL instead 1174 | ERROR | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead 1174 | ERROR | Function mcrypt_generic() is deprecated since PHP 7.1 and removed since PHP 7.2; Use OpenSSL instead 1183 | ERROR | Function mdecrypt_generic() is deprecated since PHP 7.1 and removed since PHP 7.2; Use OpenSSL instead 1186 | ERROR | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead 1186 | ERROR | Function mcrypt_generic_init() is deprecated since PHP 7.1 and removed since PHP 7.2; Use OpenSSL instead 1648 | ERROR | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead 1648 | ERROR | Function mcrypt_list_algorithms() is deprecated since PHP 7.1 and removed since PHP 7.2; Use OpenSSL instead 1727 | ERROR | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead 1727 | ERROR | Function mcrypt_module_close() is deprecated since PHP 7.1 and removed since PHP 7.2; Use OpenSSL instead 1728 | ERROR | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead 1728 | ERROR | Function mcrypt_module_close() is deprecated since PHP 7.1 and removed since PHP 7.2; Use OpenSSL instead 1733 | ERROR | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead 1733 | ERROR | Function mcrypt_module_close() is deprecated since PHP 7.1 and removed since PHP 7.2; Use OpenSSL instead 1846 | ERROR | The constant "MCRYPT_MODE_ECB" is deprecated since PHP 7.1 and removed since PHP 7.2 1847 | ERROR | The constant "MCRYPT_MODE_CBC" is deprecated since PHP 7.1 and removed since PHP 7.2 1849 | ERROR | The constant "MCRYPT_MODE_NOFB" is deprecated since PHP 7.1 and removed since PHP 7.2 1850 | ERROR | The constant "MCRYPT_MODE_STREAM" is deprecated since PHP 7.1 and removed since PHP 7.2 1853 | ERROR | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead 1853 | ERROR | Function mcrypt_module_open() is deprecated since PHP 7.1 and removed since PHP 7.2; Use OpenSSL instead 1854 | ERROR | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead 1854 | ERROR | Function mcrypt_module_open() is deprecated since PHP 7.1 and removed since PHP 7.2; Use OpenSSL instead 1860 | ERROR | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead 1860 | ERROR | Function mcrypt_module_open() is deprecated since PHP 7.1 and removed since PHP 7.2; Use OpenSSL instead 1860 | ERROR | The constant "MCRYPT_MODE_ECB" is deprecated since PHP 7.1 and removed since PHP 7.2 1865 | ERROR | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead 1865 | ERROR | Function mcrypt_generic_init() is deprecated since PHP 7.1 and removed since PHP 7.2; Use OpenSSL instead 2558 | WARNING | Function create_function() is deprecated since PHP 7.2; Use an anonymous function instead ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- File: /wp-content/plugins/duplicator/installer/dup-installer/classes/class.logging.php ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- FOUND 0 ERRORS AND 3 WARNINGS AFFECTING 3 LINES ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- 119 | WARNING | Since PHP 7.0, functions inspecting arguments, like debug_backtrace(), no longer report the original value as passed to a parameter, but will instead provide the current value. The parameter "$logging" was used, and possibly changed (by reference), on line 116. 135 | WARNING | Since PHP 7.0, functions inspecting arguments, like debug_backtrace(), no longer report the original value as passed to a parameter, but will instead provide the current value. The parameter "$logging" was used, and possibly changed (by reference), on line 132. 376 | WARNING | Since PHP 7.0, functions inspecting arguments, like debug_print_backtrace(), no longer report the original value as passed to a parameter, but will instead provide the current value. The parameter "$errno" was used, and possibly changed (by reference), on line 353. ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- File: /home/u396629773/domains/freehostingreviews.tk/public_html/wp-content/plugins/duplicator/lib/dup_archive/tester/datester.php ---------------------------------------------------------------------------------------------------------------------------------- FOUND 1 ERROR AFFECTING 1 LINE ---------------------------------------------------------------------------------------------------------------------------------- 550 | ERROR | "$this" can no longer be used in a plain function or method since PHP 7.1. ---------------------------------------------------------------------------------------------------------------------------------- File: /wp-content/plugins/duplicator/lib/forceutf8/Encoding.php ------------------------------------------------------------------------------------------------------------------------- FOUND 0 ERRORS AND 1 WARNING AFFECTING 1 LINE ------------------------------------------------------------------------------------------------------------------------- 307 | WARNING | INI directive 'mbstring.func_overload' is deprecated since PHP 7.2 ------------------------------------------------------------------------------------------------------------------------- FILE: /wp-content/plugins/duplicator/lib/snaplib/class.snaplib.u.util.php -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- FOUND 2 ERRORS AFFECTING 2 LINES -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- 127 | ERROR | Since PHP 7.0, functions inspecting arguments, like func_get_args(), no longer report the original value as passed to a parameter, but will instead provide the current value. The parameter "$key" was changed on line 111. 449 | ERROR | The function array_key_first() is not present in PHP version 7.2 or earlier -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- ``` Viewing 1 replies (of 1 total) * [Cory Lamle](https://wordpress.org/support/users/corylamleorg/) * (@corylamleorg) * [4 years, 8 months ago](https://wordpress.org/support/topic/php-warnings-and-errors-2/#post-14925978) * Hey [@malae](https://wordpress.org/support/users/malae/), * We will have a look at some of those, keep in mind the plugin still works with the older versions of PHP so those notices will be expected. * Thanks~ Viewing 1 replies (of 1 total) The topic ‘PHP Warnings and Errors’ is closed to new replies. * ![](https://ps.w.org/duplicator/assets/icon-256x256.png?rev=2906985) * [Duplicator - Backups & Migration Plugin - Cloud Backups, Scheduled Backups, & More](https://wordpress.org/plugins/duplicator/) * [Frequently Asked Questions](https://wordpress.org/plugins/duplicator/#faq) * [Support Threads](https://wordpress.org/support/plugin/duplicator/) * [Active Topics](https://wordpress.org/support/plugin/duplicator/active/) * [Unresolved Topics](https://wordpress.org/support/plugin/duplicator/unresolved/) * [Reviews](https://wordpress.org/support/plugin/duplicator/reviews/) ## Tags * [PHP errors](https://wordpress.org/support/topic-tag/php-errors/) * [php warnings](https://wordpress.org/support/topic-tag/php-warnings/) * 1 reply * 2 participants * Last reply from: [Cory Lamle](https://wordpress.org/support/users/corylamleorg/) * Last activity: [4 years, 8 months ago](https://wordpress.org/support/topic/php-warnings-and-errors-2/#post-14925978) * Status: resolved